12311121110 has 8 divisors (see below), whose sum is σ = 22160018016. Its totient is φ = 4924448440.

The previous prime is 12311121107. The next prime is 12311121133. The reversal of 12311121110 is 1112111321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615556046 + ... + 615556065.

It is an arithmetic number, because the mean of its divisors is an integer number (2770002252).

Almost surely, 2^12311121110 is an apocalyptic number.

12311121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12311121110 is a deficient number, since it is larger than the sum of its proper divisors (9848896906).

12311121110 is a wasteful number, since it uses less digits than its factorization.

12311121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231112118.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 12311121110 its reverse (1112111321), we get a palindrome (13423232431).

The spelling of 12311121110 in words is "twelve billion, three hundred eleven million, one hundred twenty-one thousand, one hundred ten".